[Lifetime Warranty] 661566 Dishwasher High Limit Thermostat - Compatible for Whirlpool Kenmore KitchenAid Amana Maytag Dishwashers - Replaces WP661566 3371618 W10339474 AP6010246 PS11743423
Dishwasher high limit thermostat replacement part with two metal terminals.
Infographic showing dimensions of 661566 dishwasher high limit thermostat compatible with major appliance brands.
White dishwasher showing symptoms fixed by 661566 high limit thermostat replacement.
Close-up of 661566 dishwasher high limit thermostat replacement part with metal terminals and black housing.
661566 dishwasher high limit thermostat replacement part with close-up view of terminal and temperature specifications.
Dishwasher high limit thermostat replacement part with two metal terminals.
Infographic showing dimensions of 661566 dishwasher high limit thermostat compatible with major appliance brands.
White dishwasher showing symptoms fixed by 661566 high limit thermostat replacement.
Close-up of 661566 dishwasher high limit thermostat replacement part with metal terminals and black housing.
661566 dishwasher high limit thermostat replacement part with close-up view of terminal and temperature specifications.
Lifetime Warranty

[Lifetime Warranty] 661566 Dishwasher High Limit Thermostat - Compatible for Whirlpool Kenmore KitchenAid Amana Maytag Dishwashers - Replaces WP661566 3371618 W10339474 AP6010246 PS11743423

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661566 Dishwasher High Limit Thermostat

Key Features

  • Monitors and regulates water temperature during the heating cycle.
  • Acts as a safety device to prevent the dishwasher from overheating.
  • Attaches to the bottom of the dishwasher tub.
  • Direct replacement for specified OEM parts.

Replaces / Cross-Reference Part Numbers

  • WP661566
  • AP6010246
  • PS11743423
  • 3369777
  • 3370783
  • 3371618
  • 4171694
  • W10339474
  • WP661566VP
  • EAP11743423

Compatibility & Fitment

  • Designed to fit various dishwasher models from major brands including:
  • Whirlpool
  • Kenmore
  • KitchenAid
  • Maytag
  • Amana
  • Crosley
  • Estate

When to Replace

  • Dishwasher is not heating water correctly.
  • Heating element does not turn off, causing overheating.
  • Dishwasher stops mid-cycle, particularly during heating phases.
  • Water is not reaching the correct temperature for effective cleaning.

Installation Tips

  • Disconnect the dishwasher from its power and water supply before beginning installation.
  • The high-limit thermostat is typically located on the bottom of the dishwasher tub.
  • Carefully disconnect the wires from the terminals of the old thermostat.
  • Remove the old thermostat from its mounting bracket.
  • Insert the new thermostat into the bracket, align the isolator, and securely reconnect the wires.
Brand Model Number
Replaces 3369777, 3370783, 3371618, 4171694, AP6010246, PS11743423, W10339474, WP661566VP
Amana ADB1100AWB0, ADB1100AWB1, ADB1100AWB2, ADB1100AWB3, ADB1100AWD0, ADB1100AWD1, ADB1100AWD2, ADB1100AWD3, ADB1100AWQ0, ADB1100AWQ1, ADB1100AWQ2, ADB1100AWQ3, ADB1100AWS0, ADB1100AWS1, ADB1100AWS2, ADB1100AWS3, ADB1100AWW0, ADB1100AWW1, ADB1100AWW2, ADB1100AWW3
Jenn-Air JDB3600AWP0, JDB3600AWP1, JDB3600AWP2, JDB3600AWP3, JDB3600AWP4, JDB3600AWP5, JDB3600AWS0, JDB3600AWS1, JDB3600AWS2, JDB3600AWS3, JDB3600AWS4, JDB3600AWS5, JDB3600AWX0, JDB3600AWX1, JDB3600AWX2, JDB3600AWX3, JDB3600AWX4, JDB3600AWX5, JDB3650AWF0, JDB3650AWF1, JDB3650AWF2, JDB3650AWF3, JDB3650AWF4, JDB3650AWF5, JDB3650AWR0, JDB3650AWR1, JDB3650AWR2, JDB3650AWR3, JDB3650AWR4, JDB3650AWR5, JDB3650AWY0, JDB3650AWY1, JDB3650AWY2, JDB3650AWY3, JDB3650AWY4, JDB3650AWY5
KitchenAid KUDC03FVWH3, KUDC03FVWH4, KUDC03FVWH5, KUDC03IVBL1, KUDC20FVSS4, KUDK03CTSS1, KUDK03CTSS2, KUDK03CTSS3, KUDK03CTWH0, KUDK03CTWH1, KUDS03FTBL1, KUDS03FTBL2, KUDS03FTBL3, KUDS03FTBT1, KUDS03FTBT2, KUDS03FTBT3, KUDS40CVBL1, KUDS40CVSS1, KUDS40CVWH1, KUDH230YH0, KUDH23HY2, KUDL02FRSS1, KUDR01DTBT0, KUDS30IVBS4, KUDS30IVSS1
Whirlpool DU1010XTXB2, DU1010XTXB3, DU1010XTXB4, DU1010XTXB5, DU1010XTXD2, DU1010XTXD3, DU1010XTXD4, DU1010XTXD5, DU1010XTXQ2, DU1010XTXQ3, DU1010XTXQ4, DU1010XTXQ5, DU1010XTXT2, DU1010XTXT3, DU1010XTXT4, DU1010XTXT5, DU1014XTXB2, DU1014XTXB3, DU1014XTXB4, DU1014XTXB5, DU1014XTXD2, DU1014XTXD3, DU1014XTXD4, DU1014XTXD5, DU1014XTXQ2, DU1014XTXQ3, DU1014XTXQ4, DU1014XTXQ5, DU1014XTXT3, DU1015XTXT2, DU1030XTXS1, DU8700X4, DU9400XB1, DUL240XTPB7
Whirlpool WDF110PABB4, WDF110PABT3, WDF110PABT4, WDF110PABT5, WDF110PABW2, WDF110PABW3, WDF110PABW4, WDF110PABW5, WDF111PABB2, WDF111PABB3, WDF111PABB4, WDF111PABW2, WDF111PABW3, WDF111PABW4, WDF120PAFB0, WDF120PAFS0, WDF120PAFT0, WDF120PAFW0, WDF121PAFB0, WDF121PAFW0, WDF130PAHB0, WDF130PAHB1, WDF130PAHB2, WDF130PAHS0, WDF130PAHS1, WDF130PAHS2, WDF130PAHT0, WDF130PAHW0, WDF130PAHW1, WDF130PAHW2
Whirlpool WDF310PAAB4, WDF310PAAB5, WDF310PAAD5, WDF310PAAS5, WDF310PLAD4, WDF310PLAT4, WDF310PLAT5, WDF310PLAW4, WDF310PLAW5, WDF320PADB0, WDF320PADB1, WDF320PADB2, WDF320PADB3, WDF320PADD0, WDF320PADD1, WDF320PADD2, WDF320PADD3, WDF320PADS0, WDF320PADS1, WDF320PADS2, WDF320PADS3, WDF320PADT0, WDF320PADT3, WDF320PADW3, WDF330PAHB2, WDF330PAHW1, WDF330PAHW2, WDF331PAHB0, WDF331PAHW0, WDF331PAHS0, WDF331PAMB0, WDF331PAMS0, WDF331PAMW0
Whirlpool WDF510PAYBA, WDF510PAYDA, WDF510PAYSA, WDF520PADB0, WDF520PADB5, WDF520PADB6, WDF520PADB9, WDF520PADM0, WDF520PADM2, WDF520PADM3, WDF520PADM5, WDF520PADM6, WDF520PADM7, WDF520PADM8, WDF520PADM9, WDF520PADW0, WDF520PADW2, WDF520PADW3, WDF520PADW5, WDF520PADW6, WDF520PADW7, WDF520PADW8, WDF520PADW9, WDF530PAYB6, WDF530PAYB7, WDF530PAYM7, WDF530PAYT6, WDF530PAYT7, WDF530PAYW6, WDF530PAYW7, WDF530PLYB6, WDF530PLYB7, WDF530PLYM6, WDF530PLYM7, WDF530PLYW6, WDF530PLYW7, WDF530PSYM7, WDF530PSYW7
Whirlpool WDF540PADB0, WDF540PADB1, WDF540PADB2, WDF540PADB3, WDF540PADM0, WDF540PADM1, WDF540PADM2, WDF540PADM3, WDF540PADT0, WDF540PADT1, WDF540PADT2, WDF540PADT3, WDF540PADW0, WDF540PADW1, WDF540PADW2, WDF540PADW3, WDF545PAFM0, WDP340PAFB0, WDP340PAFW0, WDP350PAAB3, WDP370PAHW1
Whirlpool WDT705PAKB0, WDT705PAKW0, WDT705PAKZ0, WDT710PAHZ0, WDT710PAYM4, WDT710PAYW4, WDT710PAYW6, WDT720PADB0, WDT720PADB1, WDT720PADE0, WDT720PADE1, WDT720PADE2, WDT720PADH0, WDT720PADH1, WDT720PADH2, WDT720PADM0, WDT720PADM1, WDT720PADM3, WDT720PADW0, WDT720PADW1, WDT730PAHB0, WDT730PAHW0

FAQ

This thermostat is compatible with dishwashers from Whirlpool, Kenmore, KitchenAid, Amana, and Maytag. It is also used in models from Crosley, Estate, Inglis, Jenn-Air, Magic Chef, and Roper. Because dishwasher model coverage varies by series, the safest way to confirm fit is to match your original part number or verify compatibility by your exact model number.
This part replaces and cross-references to 661566, WP661566, 3371618, W10339474, AP6010246, PS11743423, 3369777, 3370783, 4171694, WP661566VP, and 2887. Matching one of these numbers on your original thermostat or parts list confirms compatibility.
The high limit thermostat is a temperature safety device. It protects the dishwasher from overheating by opening the circuit if the temperature rises too high. In many Whirlpool-family dishwashers, it functions as part of the heater protection system; if it fails in the open position, the dishwasher will stop heating properly.
Typical symptoms include no heat during the wash or dry cycle, dishes not drying well, water failing to reach normal wash temperatures, longer cycle times, or dishes remaining wet and poorly cleaned after a cycle. Because these symptoms can also be caused by a failed heating element, wiring issues, or control problems, we recommend testing with a meter before replacing the thermostat.
On most compatible dishwashers, this is a moderate repair typically taking 20 to 45 minutes. You must disconnect power, remove the lower access or toe panel, locate the thermostat on or near the tub or heater circuit area, transfer the wire connectors, and install the new part. Common tools required include a screwdriver, nut driver, and possibly needle-nose pliers. Always ensure power is disconnected before beginning.
Before replacement, inspect the wiring terminals for heat damage or corrosion, check the heating element for continuity or visible damage, and ensure the connectors fit tightly on the thermostat terminals. If the original thermostat failed due to overheating, inspect the control or heater relay for issues that could cause excessive heat. Verifying the old part number and comparing the terminal layout before installation will help ensure a correct fit.